DE3205931C2 - Absorbent pads for hygienic pulp products - Google Patents

Absorbent pads for hygienic pulp products

Info

Publication number
DE3205931C2
DE3205931C2 DE19823205931 DE3205931A DE3205931C2 DE 3205931 C2 DE3205931 C2 DE 3205931C2 DE 19823205931 DE19823205931 DE 19823205931 DE 3205931 A DE3205931 A DE 3205931A DE 3205931 C2 DE3205931 C2 DE 3205931C2
Authority
DE
Germany
Prior art keywords
absorbent
openings
liquid
pads
suction pad
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE19823205931
Other languages
German (de)
Other versions
DE3205931A1 (en
Inventor
Krzysztof Dipl.-Chem. 8500 Nürnberg Malowaniec
Horst Dipl.-Chem. Dr. 8501 Roßtal Reinheimer
Christof 8501 Eckental Stary
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vereinigte Papierwerke Schickedanz & Co 8500 Nuernberg De
Original Assignee
Vereinigte Papierwerke Schickedanz & Co 8500 Nuernberg De
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vereinigte Papierwerke Schickedanz & Co 8500 Nuernberg De filed Critical Vereinigte Papierwerke Schickedanz & Co 8500 Nuernberg De
Priority to DE19823205931 priority Critical patent/DE3205931C2/en
Publication of DE3205931A1 publication Critical patent/DE3205931A1/en
Application granted granted Critical
Publication of DE3205931C2 publication Critical patent/DE3205931C2/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/47—Sanitary towels, incontinence pads or napkins
    • A61F13/475—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means
    • A61F13/4751—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction
    • A61F13/4756—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction the means consisting of grooves, e.g. channels, depressions or embossments, resulting in a heterogeneous surface level
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/494—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
    • A61F13/515—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers characterised by the interconnection of the topsheet and the backsheet
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/531—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad
    • A61F13/532—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F2013/4587—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape with channels or deep spot depressions on the upper surface
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
    • A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
    • A61F13/51401—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material
    • A61F2013/51409—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a film
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
    • A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
    • A61F13/51401—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material
    • A61F2013/51409—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a film
    • A61F2013/51411—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a film being impervious to fluids but not for air or vapours
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F2013/530481—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/539—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium characterised by the connection of the absorbent layers with each other or with the outer layers
    • A61F2013/5395—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium characterised by the connection of the absorbent layers with each other or with the outer layers with thermoplastic agent, i.e. softened by heat

Abstract

In Kinderwindeln, Inkontinentenwindeln, Krankenunterlagen und ähnlichen Erzeugnissen sind Saugkissen aus Zellstoff vorhanden. Diese Saugkissen weisen eine bei Gebrauch dem Körper zugewandte flüssigkeitsdurchlässige Folie, eine beim Gebrauch vom Körper abgewandte flüssigkeitsundurchlässige Folie und wenigstens eine dazwischen angeordnete Saugschicht auf. Da jedoch die aufzunehmende Flüssigkeit meist nur örtlich begrenzt anfällt, ist sie durch geeignete Maßnahmen auf die Fläche des Saugkissens zu verteilen. Hierzu wird vorgeschlagen, daß die beiden Abdeckfolien durch Durchbrechungen der Saugschicht hindurchreichen und miteinander verbunden sind. Die Durchbrechungen können länglich geformt und in Längsrichtung des Saugkissens angeordnet sein. Auch können in den beiden Längs-Randbereichen jeweils wenigstens eine linienförmige Durchbrechung oder mehrere diskrete, zusammen eine Reihe bildende Durchbrechungen angeordnet sein.In children's diapers, incontinent diapers, medical pads and similar products there are absorbent pads made of cellulose. These absorbent pads have a liquid-permeable film facing the body when in use, a liquid-impermeable film facing away from the body when in use, and at least one absorbent layer arranged in between. However, since the liquid to be absorbed is usually only available locally, it must be distributed over the surface of the absorbent pad using suitable measures. To this end, it is proposed that the two cover films extend through openings in the absorbent layer and are connected to one another. The openings can be elongated and arranged in the longitudinal direction of the suction pad. At least one linear opening or a plurality of discrete openings which together form a row can also be arranged in the two longitudinal edge regions.

Description

Die Erfindung betrifft eic Saugk: .sen für hygienische Zellstofferzeugnisse nach den Oberbegriff des Patentanspruches 1 (DE-OS 25 35 058).The invention relates to eic Saugk: .SEN for hygienic pulp products according to the preamble of claim 1 (DE-OS 25 35 058).

Derartige Saugkissen finden in Kinderwindeln, Inkontinentenwindein, Krankenunteriagen und ähnlichen Erzeugnissen Verwendung.Such absorbent pads can be found in children's diapers, incontinent diapers, Use of medical documents and similar products.

Aus der DE-OS 25 35 058 ist es bekannt, die Flüssigkeitsaufnahmeeigenschaften solcher Saugkissen dadurch zu verbessern, daß im Innern eine Zwischenschicht mit öffnungen angeordnet wird und daß der saugfähige Grundkörper ebenfalls öffnungen aufweist, die gleichgroß oder größer sind als die öffnungen der Zwischenschicht und daß die Inncnschichi so an der Außenschicht befestigt ist, daß die öffnungen der Innenschicht zumindest einen Bereich der öffnungen des Grundkörpers überdecken.From DE-OS 25 35 058 it is known the liquid absorption properties to improve such absorbent pads in that an intermediate layer with openings is arranged inside and that the absorbent base body also has openings that are the same size or larger than the openings of the Intermediate layer and that the inner layer is attached to the outer layer in such a way that the openings of the inner layer cover at least one area of the openings in the base body.

Aus der DE-AS 14 92 431 sind Saugkissen bekannt, welche einen oder mehrere saugstofffreie Abschnitte aufweisen, die sich von der Hüllenoberseite zur Hüllenunteneite erstrecken. Die dadurch gebildeten Löcher dienen als zusätzliche Flüssigkeitsaufnahmeräume und erhöhen dadurch sowohl die Ansauggeschwindigkeit wie auch das Flüssigkeitsaufnahmevermögen.From DE-AS 14 92 431 absorbent pads are known which have one or more absorbent-free sections which extend from the upper side of the case to the lower side of the case. The holes thereby formed serve as additional fluid receiving spaces and thereby increase both the suction speed as well as the ability to absorb fluids.

Aus der CH-PS 5 80 398 ist ebenfalls eine Windel bekannt, deren Saugkörper aus einer Fasermasse besteht und der eine Vielzahl von öffnungen zum Flüssigkeitsdurchtritt aufweist. Da die öffnungen jedoch den gesamten Querschnitt des Saugkörpers erfassen, wird das Gesarnt'F'üssigkeitsauinahrnevermögen des Saugkörpers dadurch erheblich vermindert.From CH-PS 5 80 398 a diaper is also known, the absorbent body of which consists of a fiber mass and which has a plurality of openings for the passage of liquid. Since the openings, however, the entire Detecting the cross section of the absorbent body, the total liquid retention capacity of the absorbent body is determined thereby considerably reduced.

Aus der US-PS 34 98 296 ist eine Windel bekannt, deren Saugkissen durch eine Art von Steppnähten in einzelne kleine Kissen unterteilt ist. Windeln dieser Art sind sicherlich angenehm zu tragen; sie weisen jedoch schlechte Kliissigkcitsvcrtcileigenschaftcn auf.From US-PS 34 98 296 a diaper is known, the absorbent pad by a type of stitching in individual small pillow is divided. Diapers of this type are certainly comfortable to wear; they do, however bad air quality properties.

Aus der US-PS 30 65 751 ist eine Windel bekanni. deren Saugkisscn durch wellenförmig in Längsrichtung verlaufende Prägelinien in zahlreiche Einzelfelder unterteilt ist Die Linien haben den Zweck, das Saugkissen gegen Verschiebung der Saugstoff-Fasern zu stabilisieren. Eine Verbesserung der Flüssigkeitsverteilung zumindest in Querrichtung findet nicht statt.From US-PS 30 65 751 a diaper is bekanni. Their suction pads are divided into numerous individual fields by undulating embossed lines in the longitudinal direction The purpose of the lines is to stabilize the absorbent pad against displacement of the absorbent fibers. There is no improvement in the liquid distribution, at least in the transverse direction.

Der Erfindung liegt die Aufgabe zugrunde, die bekannten Saugkissen für hygienische Zellstofferzeugnisse weiterzuentwickeln, um ihr Flüssigkeitsansauf- und -aufnahmevermögen weiter zu erhöhen. Zur LösungThe invention is based on the object of the known absorbent pads for hygienic cellulose products to be further developed in order to further increase their ability to absorb and absorb fluids. To the solution

ίο dieser Aufgabe wird von einem Saugkissen ausgegangen, dessen Merkmale im Oberbegriff des Patentanspruches 1 angegeben sind. Die Lösung besteht erfindungsgemäß darin, daß d''e Durchbrechungen länglich und ihre Längsachsen in Längsrichtung des Saugkissens angeordnet sind sowie zur Saugkissenmitte hin konvergierend verlaufen. Durch diese Anordnung wird erreicht, daß eine besonders gleichmäßige Ausnutzung der Saugschicht entsteht, da sich die Flüssigkeit von der Mitte ausgehend entlang den nun vorgegebenen Linien über praktisch die gesamte Windel verteilt.ίο this task is based on a suction pad, the features of which are specified in the preamble of claim 1. The solution is according to the invention in that d''e perforations are elongated and their longitudinal axes are in the longitudinal direction of the absorbent pad are arranged and converge towards the center of the suction pad. This arrangement achieves that a particularly uniform utilization of the absorbent layer is created, since the liquid is from the Starting in the middle along the lines now given, distributed over practically the entire diaper.

Als bevorzugte Ausführungsform wird ferner vorgeschlagen, daß in jedem Längsbereich des Saugkisscns zwei mit Abstand verlaufende linienförmige Durchbrechungen oder Reihen angeordnet sind, zwischen denen sich jeweils ein durchgehendes Flockenfeid befindet. Vorteilhaft ist es, wenn die Flockenfelder Quellstoffe enthalten.It is also proposed as a preferred embodiment that in each longitudinal region of the suction pad two spaced linear openings or rows are arranged, between which there is a continuous Flockenfeid in each case. It is advantageous if the flake fields are swelling substances contain.

Die Erfindung wird im folgenden anhand der Zeichnung näher erläutert. Es stellt darThe invention is explained in more detail below with reference to the drawing. It shows

F i g. 1 eine Draufsicht auf eine Ausführungsform einer erfindungsgemäßen Windel;F i g. 1 is a plan view of an embodiment of a diaper according to the invention;

Fig. 2 einen Querschnitt entlang der Linie II/II der Fig. 1.
Das in der Zeichnung schematisch dargestellte Saugkissen ist als Ganzes mit 1 bezeichnet. Wie an sich bekannt, weist es eine obere, bei Gebrauch dem Körper zugewandte flüssigkeitsdurchlässige Folie 2 auf, ferner eine bei Gebrauch vom Körper abgewandte flüssigkeitsundurchlässige Folie 3 sowie wtnigstens eine dazwischen angeordnete Saiigschicht 4. In der Saugschicht 4 befinden sich Durchbrechungen 5, welche die gesamte Saugschicht durchsetzen. Insbesondere Fig. I läßt erkennen, daß diese Durchbrechungen verschiedene Formen aufweisen und auch in verschiedener Richtung vcrlaufen können. Gemeinsam ist diesen Durchbrechungen, daß die beiden Abdeckfolien 2; 3 durch sie hindurchgreifen und miteinander verbunden sind.FIG. 2 shows a cross section along the line II / II in FIG. 1.
The suction pad shown schematically in the drawing is designated as a whole by 1. As is known per se, it has an upper, liquid-permeable film 2 facing the body when in use, furthermore a liquid-impermeable film 3 facing away from the body when in use, and at least one lining layer 4 arranged in between Enforce absorbent layer. In particular, FIG. 1 shows that these openings have different shapes and can also run in different directions. What these openings have in common is that the two cover films 2; 3 reach through them and are connected to one another.

Fig. 1 läßt erkennsn, daß die Durchbrechungen in der Mehrzahl länglich geformt und ihre Längsachsen in Längsrichtung des Saugkissens angeordnet sind. Es entsteht auf diese Weise ein Muster, welches im wesentlichen über die Gesamtfläche des Saugkissens verteilt ist und anfallende Flüssigkeit in Längsrichtung leitet.
Um den gewünschten Effekt der Längsverteilung anfallender Flüssigkeit zu verstärken, ist bei der in der Zeichnung dargestellten bevorzugten Ausführungsform in den beiden Längsrandbereichen 6 und 7 jeweils wenigstens eine linienförmige Durchbrechung 8 angeordnet. Bei der dargestellten Ausführungsform sind zweiFig. 1 reveals that the perforations are in the majority elongated and their longitudinal axes are arranged in the longitudinal direction of the suction pad. In this way, a pattern is created which is essentially distributed over the entire surface of the absorbent pad and which guides any liquid in the longitudinal direction.
In order to intensify the desired effect of the longitudinal distribution of the resulting liquid, in the preferred embodiment shown in the drawing, at least one linear opening 8 is arranged in each of the two longitudinal edge regions 6 and 7. In the illustrated embodiment there are two

M) derartige Durchbrechungen 8 vorhanden. Anstelle einer linicnförmigcn Durchbrechung 8 können auch mehrere diskrete Durchbrechungen 9 vorhanden sein, die zusammen eine Reihe bilden. In jedem Fall sind durch jede der genannten Durchbrechungen die beiden Abdcrkfolicn 2M) such openings 8 are present. Instead of one Linear perforations 8 can also be several discrete perforations 9, which together form a row. In any case are through each of the the two covers 2

b> und 3 miteinander verbunden. Vorteilhaft ist es, wenn die linienförmigen Durchbrechungen 8 oder die Reihen, welche die diskreten Durchbrechungen bilden, /ur Saugkissenmitte konvergierend verlaufen, wie dies inb> and 3 connected to each other. It is advantageous if the linear openings 8 or the rows, which form the discrete openings / converge towards the center of the suction pad, as shown in FIG

F i g. 1 dargestellt istF i g. 1 is shown

Bei der in der Zeichnung wiedergegebenen Ausführungsform sind in jedem Längsrandbereich 6 und 7 zwei mit Abstand verlaufende linienförmige Durchbrechungen 8 angeordnet, zwischen denen sich jeweils ein durchgehendes Flockenfeld 10 befindet. Dieses Flokkenfeld, welches zudem noch mit Quellstoff angereichert sein kann, bildet eine wirksame Flüssigkeitsbarriere nach Art einer Labyrinthdichtung.In the embodiment shown in the drawing are in each longitudinal edge area 6 and 7 two spaced linear openings 8 arranged, between each of which there is a continuous flake field 10. This flok field, which can also be enriched with swelling substance, forms an effective liquid barrier in the manner of a labyrinth seal.

Mit dem Ausdruck »Quellstoffe« sind im vorliegenden Fall natürliche oder künstlich erzeugte Stoffe gemeint, die bei Wasseraufnahme ihr Volumen vergrößern und dabei das aufgenommene Wasser chemisch und/ oder physikalisch binden. Solche natürlichen Stoffe sind beispielsweise Agar-Agar, Gelatine und ähnliches. Künstliche Stoffe dieser Art sind vernetzte oder teilvernetzte Celldose-Derivate, sulfonierte Polystyrole, Polyacrylate und ähnliche Stoffe.In the present case, the term "swelling substances" means natural or artificially produced substances, which increase their volume when water is absorbed and thereby chemically and / or physically bind. Such natural substances are, for example, agar-agar, gelatin and the like. Artificial substances of this type are crosslinked or partially crosslinked cell dose derivatives, sulfonated polystyrenes and polyacrylates and similar substances.

F i g. 1 der Zeichnung läßt erkennen, daß zusätzliche Durchbrechungen 5 des Saugkissens auch noch an den Schmalseiten 11 und 12 angeordnet sind. Diese Durch · brechungen sind genauso aufgebaut wie die zuvor erwähnten; ein Unterschied besteht lediglich in ihrem Verlauf, da deren Längsachsen quer zur Längsachse der Windel gerichtet sind. Die an den Schmalseiten angeordneten zuletzt genannten Durchbrechungen haben den Zweck, die Flüssigkeitsausbreitung in Windellängsrichtung an den Enden der Windeln zum Stillstand zu bringen.F i g. 1 of the drawing shows that additional openings 5 of the suction pad are also connected to the Narrow sides 11 and 12 are arranged. This through Refractions are structured in the same way as those mentioned above; the only difference is theirs Course, since their longitudinal axes are directed transversely to the longitudinal axis of the diaper. The ones arranged on the narrow sides The latter breakthroughs have the purpose of the liquid spreading in the longitudinal direction of the diaper to stop at the ends of the diapers.

In F i g. 1 der Zeichnung sind desweiteren noch Faltlinien 13 eingezeichnet, welche in Längsrichtung der Windel verlaufen. Diese Faltlinien sind lediglich bei dem dargestellten besonderen Ausführungsbeispie! vorhanden; sie sind für die Erfindung weder typisch noch begrenzend. In Fig. 1 of the drawing are also shown folding lines 13, which in the longitudinal direction of the Diaper lost. These fold lines are only in the particular exemplary embodiment shown! available; they are neither typical nor limiting of the invention.

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

4040

4545

bObO

Claims (3)

Patentansprüche:Patent claims: 1. Saugkissen für hygienische Zellstofferzeugnisse, wie Windeln, Krankenunterlagen, Inkontinentenhilfen und dergl. mit einer bei Gebrauch dem Körper zugewandten flüssigkeitsdurchlässigen Folie (2), einer bei Gebrauch vom Körper abgewandten flüssigkeitsandurchlässigen Folie (3) und wenigstens einer dazwischen angeordneten Saugschicht (4), in der sich die gesamte Saugschicht durchsetzende Durchbrechungen (5) befinden, durch weiche die beiden Abdeckfolien (2; 3) hindurch miteinander verbunden sind, dadurch gekennzeichnet, daß die Durchbrechungen (5) länglich und ihre Längsachsen in Längsrichtung des Saugkissens angeordnet sind, sowie zur Saugkissenmitte hin konvergierend verlaufen. 1. Absorbent pads for hygienic cellulose products such as diapers, medical pads, incontinent aids and the like. With a liquid-permeable film (2) facing the body when in use, a when used, liquid-permeable film (3) facing away from the body and at least one absorbent layer (4) arranged in between, in which the entire absorbent layer penetrates through openings (5) are, through which the two cover films (2; 3) are connected to one another are, characterized in that the openings (5) are elongated and their longitudinal axes are arranged in the longitudinal direction of the suction pad and converge towards the center of the suction pad. 2. Saugkissen nach Anspruch 1, dadurch gekennzeichnet, da& äi jedem Längs-Randbereich (6; 7) des Saugkissens zwei mit Abstand verlaufende linienförmige Durchbrechungen (8) oder Reihen angeordnet sind, zwischen denen sich jeweils ein durchgehendes Flockenfeld (10) befindet.2. Absorbent pad according to claim 1, characterized in that each longitudinal edge region (6; 7) of the Suction pad arranged two spaced linear openings (8) or rows are, between each of which there is a continuous flake field (10). 3. Saugkissen nach Anspruch 2, dadurch gekennzeichnet, daß die Flockenfelder^lO) Quellsloffe enthalten. 3. absorbent pad according to claim 2, characterized in that the flake fields ^ lO) contain source materials.
DE19823205931 1982-02-19 1982-02-19 Absorbent pads for hygienic pulp products Expired DE3205931C2 (en)

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